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<ul>
	<li class="nav-item active">
		<a href="javascript:void(0);">图片版块</a>
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	<li class="nav-item">
		<a href="javascript:void(0);">视频版块</a>
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	<li class="nav-item">
		<a href="javascript:void(0);">排行榜单</a>
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		<a href="javascript:void(0);">公告表白</a>
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	<li class="nav-item">
		<a href="javascript:void(0);">认识老乡</a>
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	<li class="nav-item">
		<a href="javascript:void(0);">用户中心</a>
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</ul>
<ul id="usr">
	<li>
		<a href="javascript:void(0);">注册</a>
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